Handheld electronic device



FIG. 1 is a top perspective view of a handheld electronic device;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is an enlarged partial perspective view thereof;

FIG. 10 is an enlarged partial front view thereof; and,

FIG. 11 is an enlarged partial right-side view thereof.

The broken lines shown around the partial views form no part of the claimed design. 

The ornamental design for a handheld electronic device, as shown and described. 